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1 | /* $Id$ */ | |
2 | ||
3 | #ifndef ALIPWG0HELPER_H | |
4 | #define ALIPWG0HELPER_H | |
5 | ||
6 | #include <TObject.h> | |
7 | ||
8 | // static helper functions | |
9 | ||
10 | class AliESDEvent; | |
11 | class AliESDVertex; | |
12 | class TParticle; | |
13 | class TH1; | |
14 | class TH2; | |
15 | class TH3; | |
16 | class AliHeader; | |
17 | class AliGenEventHeader; | |
18 | class AliStack; | |
19 | class TTree; | |
20 | ||
21 | class AliPWG0Helper : public TObject | |
22 | { | |
23 | public: | |
24 | enum Trigger { kMB1 = 0, kMB2, kMB3, kSPDFASTOR, kOfflineMB1, kOfflineMB2, kOfflineMB3, kOfflineFASTOR }; // MB1, MB2, MB3 definition from ALICE-INT-2005-025 | |
25 | enum AnalysisMode { kInvalid = -1, kSPD = 0, kTPC, kTPCITS }; | |
26 | // in case we want to use bitmaps... | |
27 | enum MCProcessType { kInvalidProcess = -1, kND = 0x1, kDD = 0x2, kSD = 0x4 }; | |
28 | ||
29 | static Bool_t IsEventTriggered(const AliESDEvent* aEsd, Trigger trigger); | |
30 | static Bool_t IsEventTriggered(ULong64_t triggerMask, Trigger trigger); | |
31 | static const AliESDVertex* GetVertex(AliESDEvent* aEsd, AnalysisMode analysisMethod, Bool_t debug = kFALSE, Bool_t bRedoTPC = kFALSE); | |
32 | static Bool_t TestVertex(const AliESDVertex* vertex, AnalysisMode analysisMode, Bool_t debug = kFALSE); | |
33 | ||
34 | static Bool_t IsPrimaryCharged(TParticle* aParticle, Int_t aTotalPrimaries, Bool_t adebug = kFALSE); | |
35 | ||
36 | static AliPWG0Helper::MCProcessType GetEventProcessType(AliHeader* aHeader, Bool_t adebug = kFALSE); | |
37 | static AliPWG0Helper::MCProcessType GetPythiaEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE); | |
38 | static AliPWG0Helper::MCProcessType GetDPMjetEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE); | |
39 | static Int_t GetLastProcessType() { return fgLastProcessType; } | |
40 | ||
41 | static TParticle* FindPrimaryMother(AliStack* stack, Int_t label); | |
42 | static Int_t FindPrimaryMotherLabel(AliStack* stack, Int_t label); | |
43 | ||
44 | static void CreateProjections(TH3* hist, Bool_t save = kFALSE); | |
45 | static void CreateDividedProjections(TH3* hist, TH3* hist2, const char* axis = 0, Bool_t putErrors = kFALSE, Bool_t save = kFALSE); | |
46 | static const char* GetAxisTitle(TH3* hist, const char axis); | |
47 | ||
48 | static void NormalizeToBinWidth(TH1* hist); | |
49 | static void NormalizeToBinWidth(TH2* hist); | |
50 | ||
51 | static void PrintConf(AnalysisMode analysisMode, Trigger trigger); | |
52 | ||
53 | protected: | |
54 | static Int_t fgLastProcessType; // stores the raw value of the last process type extracnted | |
55 | ||
56 | ClassDef(AliPWG0Helper, 0) | |
57 | ||
58 | private: | |
59 | AliPWG0Helper(const AliPWG0Helper&); | |
60 | AliPWG0Helper& operator=(const AliPWG0Helper&); | |
61 | }; | |
62 | ||
63 | #endif | |
64 |